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Subgenus Harpalus

Carabid - Harpalus affinis Carabid - Harpalus affinis Portland Bioblitz 2012 PDX27 - Harpalus affinis Harpalus affinis? - Harpalus affinis Unknown Beetle - Harpalus affinis Unknown Carabid - Harpalus affinis  Harpalini of sorts? - Harpalus amputatus green carabid - Harpalus affinis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Carabidae (Ground Beetles)
Subfamily Harpalinae
Supertribe Harpalitae
Tribe Harpalini
Subtribe Harpalina
Genus Harpalus
No Taxon Subgenus Harpalus
Synonyms and other taxonomic changes
treated very differently by recent workers; Euharpalops, Pharalus, Harpalomerus, Harpalobius, all treated as subgenera in(1), as well as nigritarsis, cautus, obnixus, atrichatus, opacipennis & herbivagus species-groups are all treated in Harpalus s.str. elsewhere(2)
Numbers
per(3):
affinis group: affinis (Schrank 1781), rubripes (Duftschmid 1812)
amputatus group: amputatus amputatus Say 1830
atrichatus group: atrichatus Hatch 1949
cautus group: balli Noonan 1991, cautus Dejean 1829, ellipsis LeConte 1847, innocuus LeConte 1863, ochropus Kirby 1837, vittatus alaskensis Lindroth 1968
obnixus group: obnixus Casey 1924, plenalis Casey 1914
opacipennis group: opacipennis (Haldeman 1843)
somnulentus group: herbivagus Say 1823, martini Van Dyke 1926, solitaris Dejean 1829, somnulentus Dejean 1829
Works Cited
1.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.
2.Carabidae of the World
3.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.